Post-installation actions for mounting the root file system in read-only mode

If you want to mount the root file system in read-only mode, look at Table 1 to see if you must take any actions. The table includes all z/OS base and optional elements that install into the file system.

These actions can be taken in any order, and do not need to be performed in a certain sequence.

Table 1. Required post-installation activities for mounting a root file system in read-only mode. List of required actions when mounting the root file system in read-only mode for elements or functions
Element or function	Required action
Common Information Model (CIM)	No required actions.
Communications Server	No required actions.
Cryptographic Services Open Cryptographic Services Facility (OCSF)	No required actions.
Cryptographic Services PKI Services	No required actions
Cryptographic Services System Secure Sockets Layer Programming	No required actions.
DFSMSdfp, DFSMSdss, DFSMShsm, DFSMSrmm, and DFSMStvs	No required actions.
Distributed File Service (DFS)	No required actions.
Hardware Configuration Definition (HCD)	No required actions.
Hardware Configuration Manager (HCM)	No required actions
IBM® HTTP Server	For the directives that must be changed, see HTTP Server: Planning, Installing, and Using, which can be found at: `http://www.ibm.com/software/webservers/appserv/library/index.html`
IBM Tivoli® Directory Server	No required actions.
Infoprint Server	Change ownership of the Infoprint Server files to the Infoprint Server GID by running the aopsetup customization script. Also, a separate file system must be mounted read/write on the /var mount point. See z/OS Infoprint Server Customization for more information.
Integrated Security Services Open Cryptographic Enhanced Plug-ins (OCEP)	No required actions.
Integrated Security Services - Enterprise Identity Mapping (EIM) and Network Authentication Service	No required actions.
Language Environment®	No required actions.
Library Server	See the topic on advanced customization parameters in z/OS Program Directory.
Metal C Runtime Library	No required actions.
Network File System (NFS)	No required actions.
Runtime Library Extensions	No required actions.
SMP/E	No required actions.
XL C/C++	No required actions.
z/OS® Font Collection	No required actions.
z/OS UNIX System Services	Post-installation activities might be necessary for some installations. To determine whether actions are required, see Customizing the cron, uucp, and mail utilities for a read-only root file system. The actions include moving the files associated with the cron, uucp and mail utilities from the root file system.